In 1891, August Weismann reported an experiment in which he cut the tails off 10 mice in each of 19 consecutive generations. The expected result is:
a. after the first generation of amputation, the progeny are born with no tails.
b. offspring are born with progressively shorter tails in each generation.
c. offspring are born with tails that are the same length as their parents for a few generations, but subsequent generations of offspring have shorter tails.
d. all generations of offspring have tails of approximately the same length.
Ans: d. all generations of offspring have tails of approximately the same length.
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